IV. Choose the best option. 1. She …… doing aerobics now. A. are B. does C. is D. has 2. Lan: “…… are you doing, Mai?” – Mai: “I’m reading books.” A. What B. Who C. Which D. When 3. Mr Anh: “…… sports do you play, Binh?” – “Binh: I play soccer.” A. Where B. Who C. Which D. When 4. What do you do in your …… time? A. home B. busy C. good D. free 5. “How …… do you go swimming?” – Mai: “Once a week.” A. many B. much C. old D. often 6. Thu’s brother plays tennis three …… a week. A. time B. day C. times D. hour 7. My students sometimes …… their kites. A. play B. fly C. flys D. run 8. “…… does Jack often do on Saturdays?” – “He often goes fishing.” A. When. B. Why C. Where D. What 9. Ba goes …… when it’s hot. A. swim B. swims C. swimming D. to the swim 10. …… you going to visit Hue this summer? A. Do B. Does C Are D. Is